Commit 2bd44dad authored Dec 23, 2018 by Stefan Wahren Committed by Ulf Hansson Jan 14, 2019

mmc: sdhci-iproc: handle mmc_of_parse() errors during probe



We need to handle mmc_of_parse() errors during probe.

This finally fixes the wifi regression on Raspberry Pi 3 series.
In error case the wifi chip was permanently in reset because of
the power sequence depending on the deferred probe of the GPIO expander.

Fixes: b580c52d ("mmc: sdhci-iproc: add IPROC SDHCI driver")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent bb364890

drivers/mmc/host/sdhci-iproc.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -296,7 +296,10 @@ static int sdhci_iproc_probe(struct platform_device *pdev)

		iproc_host->data = iproc_data;

		mmc_of_parse(host->mmc);
		ret = mmc_of_parse(host->mmc);
		if (ret)
		goto err;

		sdhci_get_property(pdev);

		host->mmc->caps \|= iproc_host->data->mmc_caps;